The final screen on LHC Page 1 before the two-year shutdown (Image: CERN)

On Saturday at 8.25am the shift crew in the CERN Control Centre extracted the beams from the Large Hadron Collider (LHC), bringing the machine’s first three-year running period to a successful conclusion. The following message marked the event on LHC Page 1: "No beam for a while. Access required: Time estimate ~2 years."...

Read the full article: http://home.web.cern.ch/about/updates/2013/02/lhc-access-required-time-…

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